② Weak signals in certain areas only: - Check out the Wi-Fi signals are weak on other smart phones in the same area. If yes, walls or other obstacles between smart phones and the wireless AP are to blame for lower reception. - Check out the signals on other wireless APs. If the signals are good, the given AP needs checking for problems.

③ Weak signals in many areas:

- Check out the signals on other wireless APs. If the signals are weak, check out the mobile phone’s SW version and upgrade it to the latest version.